Files
deepseek-harness/packages/host/apiproxy/tests/api-proxy-models.spec.ts
2026-08-09 13:44:44 +08:00

357 lines
14 KiB
TypeScript

/**
* Web session model-directory and selection behavior: dynamic provider grouping,
* provider-local catalog failures, logged-selection restoration without stale
* catalog injection, advisory pass-through models, and the prompt-assembly
* boundary for a running selection change.
*/
import { describe, expect, it } from 'vitest'
import { Context } from 'cordis'
import AgentRegistry, { agentEvents } from '@deepseek-ai/dsh-agent'
import type { Agent } from '@deepseek-ai/dsh-agent'
import LlmService, { LlmAdapter, ReasoningEffortId } from '@deepseek-ai/dsh-llm'
import type {
GenerateOptions, LlmCallConfig, LlmModelInfo, LlmModelReasoningInfo, LlmProviderInfo,
LlmResolvedModelInfo, StreamChunk,
} from '@deepseek-ai/dsh-llm'
import SessionStore from '@deepseek-ai/dsh-session'
import type { SessionId } from '@deepseek-ai/dsh-session'
import SystemPrompt from '@deepseek-ai/dsh-system-prompt'
import UserInteractionService from '@deepseek-ai/dsh-user-interaction'
import type { RpcRequest } from '@deepseek-ai/dsh-host-apiproxy/api/rpc'
import { RpcId } from '@deepseek-ai/dsh-host-apiproxy/api/rpc'
import { createApiProxy } from '../src/api-proxy.ts'
let nextRpc = 1
function request<P>(payload: P): RpcRequest<P> {
return { rpcId: RpcId(`models-${String(nextRpc++)}`), payload }
}
class CatalogAdapter extends LlmAdapter {
constructor(
private readonly name: string,
private readonly models: readonly LlmModelInfo[] | Error,
private readonly reasoning?: LlmModelReasoningInfo,
private readonly exactError?: Error,
) {
super()
}
override providerInfo(provider: string): LlmProviderInfo {
return { id: provider, name: this.name }
}
override listModels(): Promise<readonly LlmModelInfo[]> {
return this.models instanceof Error
? Promise.reject(this.models)
: Promise.resolve(this.models)
}
override resolveModel(provider: string, model: string): Promise<LlmResolvedModelInfo> {
if (this.exactError !== undefined) return Promise.reject(this.exactError)
return Promise.resolve({
provider,
id: model,
name: model,
...this.reasoning === undefined ? {} : { reasoning: this.reasoning },
})
}
override async *stream(_options: GenerateOptions): AsyncIterable<StreamChunk> {
// Catalog tests never enter provider streaming.
}
}
const REASONING: LlmModelReasoningInfo = {
efforts: [
{ id: ReasoningEffortId('off'), name: 'Off' },
{ id: ReasoningEffortId('high'), name: 'High' },
{ id: ReasoningEffortId('max'), name: 'Max' },
],
defaultEffort: ReasoningEffortId('high'),
}
async function harness(logged?: {
provider: string
model: string
reasoningEffort?: ReasoningEffortId
}): Promise<{
ctx: Context
agent: Agent
sessionId: SessionId
}> {
const ctx = new Context()
await ctx.plugin(SessionStore)
await ctx.plugin(SystemPrompt, { persona: '' })
await ctx.plugin(LlmService)
await ctx.plugin(UserInteractionService)
await ctx.plugin(AgentRegistry)
ctx.llm.registerAdapter(['deepseek-official'], new CatalogAdapter('DeepSeek', [
{ provider: 'deepseek-official', id: 'deepseek-chat', name: 'DeepSeek Chat' },
{ provider: 'deepseek-official', id: 'deepseek-reasoner', name: 'DeepSeek Reasoner', description: 'Reasoning model' },
], REASONING))
ctx.llm.registerAdapter(['broken'], new CatalogAdapter('Broken Provider', new Error('catalog offline')))
ctx.llm.registerAdapter(['metadata-broken'], new CatalogAdapter('Metadata Broken', [
{ provider: 'metadata-broken', id: 'listed', name: 'Listed' },
], undefined, new Error('reasoning metadata offline')))
ctx.llm.registerAdapter(['empty'], new CatalogAdapter('Empty Provider', []))
ctx.llm.registerAdapter(['duplicate'], new CatalogAdapter('Duplicate Provider', [
{ provider: 'duplicate', id: 'same', name: 'Same' },
{ provider: 'duplicate', id: 'same', name: 'Same Again' },
]))
const session = ctx.sessions.create()
if (logged !== undefined) {
session.append('request/header', { header: { config: logged }, reason: 'initial' })
}
const agent = {
id: session.id,
session,
status: 'running',
ctx,
} as Agent
ctx.agents.register(agent)
return { ctx, agent, sessionId: session.id }
}
function expectValue<T>(response: { result: { ok: true; value: T } | { ok: false } }): T {
if (!response.result.ok) throw new Error('expected successful response')
return response.result.value
}
describe('Web session model selection', () => {
it('groups successful providers and leaves an unlisted current selection out of the catalog', async () => {
const { ctx, sessionId } = await harness({
provider: 'deepseek-official',
model: 'private-preview',
reasoningEffort: ReasoningEffortId('max'),
})
const api = createApiProxy(ctx, { defaultModelSelection: () => ({ provider: 'deepseek-official', model: 'deepseek-chat' }), cwd: '/tmp', workspaceRoot: '/tmp' })
const catalog = expectValue(await api.sessions.models(request({ sessionId })))
expect(catalog.current).toEqual({
provider: 'deepseek-official',
model: 'private-preview',
reasoningEffort: 'max',
})
expect(catalog.groups).toEqual([{
id: 'deepseek-official',
name: 'DeepSeek',
models: [
{ id: 'deepseek-chat', name: 'DeepSeek Chat', reasoning: REASONING },
{
id: 'deepseek-reasoner',
name: 'DeepSeek Reasoner',
description: 'Reasoning model',
reasoning: REASONING,
},
],
}])
expect(catalog.failures).toEqual([
{ id: 'broken', name: 'Broken Provider', message: 'catalog offline' },
{ id: 'metadata-broken', name: 'Metadata Broken', message: 'reasoning metadata offline' },
{
id: 'duplicate',
name: 'Duplicate Provider',
message: 'adapter returned invalid or duplicate model metadata for provider "duplicate"',
},
])
await ctx.fiber.dispose()
})
it('accepts an advisory-unlisted model, rejects an unavailable provider, and switches only after the next assembly', async () => {
const { ctx, agent, sessionId } = await harness()
const api = createApiProxy(ctx, { defaultModelSelection: () => ({ provider: 'deepseek-official', model: 'deepseek-chat' }), cwd: '/tmp', workspaceRoot: '/tmp' })
const seed: LlmCallConfig = { provider: 'seed', model: 'seed', temperature: 0.2 }
const signal = new AbortController().signal
expect(expectValue(await api.sessions.models(request({ sessionId }))).current)
.toEqual({ provider: 'deepseek-official', model: 'deepseek-chat' })
expect((await ctx.systemPrompt.assemble()).variables)
.toMatchObject({ provider: 'deepseek-official', model: 'deepseek-chat' })
const selected = expectValue(await api.sessions.selectModel(request({
sessionId,
provider: 'deepseek-official',
model: 'private-preview',
reasoningEffort: 'max',
})))
expect(selected.selected).toEqual({
provider: 'deepseek-official',
model: 'private-preview',
reasoningEffort: 'max',
})
await expect(agentEvents(ctx, agent).waterfall(
'agent/request', { turn: 1, step: 0, signal }, () => Promise.resolve(seed),
)).resolves.toMatchObject({ provider: 'deepseek-official', model: 'deepseek-chat' })
expect((await ctx.systemPrompt.assemble()).variables)
.toMatchObject({ provider: 'deepseek-official', model: 'private-preview' })
await expect(agentEvents(ctx, agent).waterfall(
'agent/request', { turn: 1, step: 1, signal }, () => Promise.resolve(seed),
)).resolves.toMatchObject({
provider: 'deepseek-official',
model: 'private-preview',
reasoningEffort: 'max',
})
const unsupported = await api.sessions.selectModel(request({
sessionId,
provider: 'deepseek-official',
model: 'private-preview',
reasoningEffort: 'medium',
}))
expect(unsupported.result).toMatchObject({
ok: false,
error: {
code: 'model-unavailable',
message: 'provider "deepseek-official" model "private-preview" does not support reasoning effort "medium"',
},
})
const rejected = await api.sessions.selectModel(request({
sessionId,
provider: 'missing',
model: 'model',
}))
expect(rejected.result).toEqual({
ok: false,
error: {
code: 'model-unavailable',
message: 'no adapter registered for provider "missing"',
details: { provider: 'missing', model: 'model' },
},
})
expect(expectValue(await api.sessions.models(request({ sessionId }))).current)
.toEqual({ provider: 'deepseek-official', model: 'private-preview', reasoningEffort: 'max' })
await ctx.fiber.dispose()
})
it('reads the Agent default live for a session whose log names no selection', async () => {
const { ctx, sessionId } = await harness()
let stored = { provider: 'deepseek-official', model: 'deepseek-chat' }
const api = createApiProxy(ctx, {
defaultModelSelection: () => stored,
cwd: '/tmp',
workspaceRoot: '/tmp',
})
expect(expectValue(await api.sessions.models(request({ sessionId }))).current)
.toEqual({ provider: 'deepseek-official', model: 'deepseek-chat' })
// The default moving after the session exists still reaches it: New
// Session reuses a blank session rather than minting another, so a seed
// captured at creation would show the superseded model there.
stored = { provider: 'deepseek-official', model: 'deepseek-reasoner' }
expect(expectValue(await api.sessions.models(request({ sessionId }))).current)
.toEqual({ provider: 'deepseek-official', model: 'deepseek-reasoner' })
expect(expectValue(await api.host.describe(request({}))))
.toMatchObject({ provider: 'deepseek-official', model: 'deepseek-reasoner' })
await ctx.fiber.dispose()
})
it('keeps a session on its logged selection when the Agent default differs', async () => {
const { ctx, sessionId } = await harness({
provider: 'deepseek-official',
model: 'deepseek-chat',
})
let stored = { provider: 'deepseek-official', model: 'deepseek-chat' }
const api = createApiProxy(ctx, {
defaultModelSelection: () => stored,
cwd: '/tmp',
workspaceRoot: '/tmp',
})
stored = { provider: 'duplicate', model: 'same' }
expect(expectValue(await api.sessions.models(request({ sessionId }))).current)
.toEqual({ provider: 'deepseek-official', model: 'deepseek-chat' })
await ctx.fiber.dispose()
})
it('saves an accepted selection as the default and survives a storage failure', async () => {
const { ctx, sessionId } = await harness()
const saved: unknown[] = []
let reject = false
const api = createApiProxy(ctx, {
defaultModelSelection: () => ({ provider: 'deepseek-official', model: 'deepseek-chat' }),
saveDefaultModelSelection: (selection) => {
saved.push(selection)
return reject ? Promise.reject(new Error('read-only document')) : Promise.resolve()
},
cwd: '/tmp',
workspaceRoot: '/tmp',
})
expectValue(await api.sessions.selectModel(request({
sessionId, provider: 'deepseek-official', model: 'deepseek-reasoner', reasoningEffort: 'max',
})))
expect(saved).toEqual([
{ provider: 'deepseek-official', model: 'deepseek-reasoner', reasoningEffort: 'max' },
])
// A refused selection never becomes anyone's default.
await api.sessions.selectModel(request({ sessionId, provider: 'missing', model: 'model' }))
expect(saved).toHaveLength(1)
// Storage failing is not the selection failing: the switch already applies
// to this session, so the call still succeeds.
reject = true
const stillAccepted = expectValue(await api.sessions.selectModel(request({
sessionId, provider: 'deepseek-official', model: 'deepseek-chat',
})))
expect(stillAccepted.selected).toEqual({ provider: 'deepseek-official', model: 'deepseek-chat', reasoningEffort: 'high' })
expect(expectValue(await api.sessions.models(request({ sessionId }))).current)
.toEqual({ provider: 'deepseek-official', model: 'deepseek-chat', reasoningEffort: 'high' })
await ctx.fiber.dispose()
})
it('refuses a prompt no adapter can route, and reports it on the directory', async () => {
const { ctx, sessionId } = await harness()
const api = createApiProxy(ctx, {
defaultModelSelection: () => ({ provider: 'deleted-gateway', model: 'deleted-model' }),
cwd: '/tmp',
workspaceRoot: '/tmp',
})
// The client disabling its input is an affordance; this method stays
// callable, so the refusal has to live here.
const refused = await api.sessions.prompt(request({
sessionId, mode: 'queue' as const, content: [{ type: 'text' as const, text: 'hi' }],
}))
expect(refused.result).toMatchObject({
ok: false,
error: { code: 'model-unavailable', details: { provider: 'deleted-gateway', model: 'deleted-model' } },
})
expect(expectValue(await api.sessions.models(request({ sessionId }))).routable).toBe(false)
// An advisory-unlisted model on a live route is NOT this: the route
// serves it, so the prompt goes through and nothing blocks.
expectValue(await api.sessions.selectModel(request({
sessionId, provider: 'deepseek-official', model: 'unlisted-but-served',
})))
const catalog = expectValue(await api.sessions.models(request({ sessionId })))
expect(catalog.routable).toBe(true)
expect(catalog.groups.flatMap(group => group.models.map(model => model.id)))
.not.toContain('unlisted-but-served')
await ctx.fiber.dispose()
})
it('serves a session and its catalog when the stored default names a route that is gone', async () => {
const { ctx, sessionId } = await harness()
const api = createApiProxy(ctx, {
// What a Models-page removal leaves behind: the settings document still
// names the route the user last picked, and nothing serves it.
defaultModelSelection: () => ({ provider: 'deleted-gateway', model: 'deleted-model' }),
cwd: '/tmp',
workspaceRoot: '/tmp',
})
const catalog = expectValue(await api.sessions.models(request({ sessionId })))
// Passed through rather than repaired: matching no group is precisely what
// makes the composer seat prompt for a selection instead of naming a model
// the deployment cannot reach.
expect(catalog.current).toEqual({ provider: 'deleted-gateway', model: 'deleted-model' })
expect(catalog.groups.flatMap(group => group.models.map(model => `${group.id}/${model.id}`)))
.not.toContain('deleted-gateway/deleted-model')
await ctx.fiber.dispose()
})
})